Ring shank



FIG. 1 is a perspective view of a ring shank, showing my new design;

FIG. 2 is a top plan view of the invention;

FIG. 3 is a bottom plan view of the invention;

FIG. 4 is a left-side elevational view of the invention;

FIG. 5 is a right-side elevational view of the invention;

FIG. 6 is a front elevational view of the invention;

FIG. 7 is a rear elevational view of the invention;

FIG. 8 is a perspective view of the invention, the broken linesrepresent unclaimed portions of the design and form no part thereof;and,

FIG. 9 is a perspective view of the invention, the broken linesrepresent unclaimed portions of the design and form no part thereof.

The ornamental design for a ring shank, as shown and described.